Mit PHP entwickelte Second-Hand-Recycling-Website unterstützt die Verwaltung mehrerer Lager

// db_connect.php
<?php
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "database";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("连接失败：" . $conn->connect_error);
}
?>

// get_warehouses.php
<?php
include "db_connect.php";

$sql = "SELECT * FROM warehouses";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    $warehouses = array();
    while ($row = $result->fetch_assoc()) {
        $warehouses[] = array(
            "id" => $row["ID"],
            "name" => $row["名称"],
            "address" => $row["地址"]
        );
    }
    echo json_encode($warehouses);
} else {
    echo "没有找到仓库数据";
}

$conn->close();
?>

// get_items.php
<?php
include "db_connect.php";

$warehouseId = $_GET["warehouseId"];

$sql = "SELECT * FROM items WHERE 仓库ID = $warehouseId";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    $items = array();
    while ($row = $result->fetch_assoc()) {
        $items[] = array(
            "id" => $row["ID"],
            "name" => $row["名称"],
            "price" => $row["价格"],
            "quantity" => $row["数量"]
        );
    }
    echo json_encode($items);
} else {
    echo "没有找到物品数据";
}

$conn->close();
?>

// login.php
<?php
include "db_connect.php";

$username = $_POST["username"];
$password = $_POST["password"];

$sql = "SELECT * FROM users WHERE 用户名 = '$username' AND 密码 = '$password'";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    $row = $result->fetch_assoc();
    $warehouseId = $row["仓库ID"];
    header("Location: items.php?warehouseId=$warehouseId");
} else {
    echo "用户名或密码错误";
}

$conn->close();
?>